The effective action of superrotation modes
Abstract Starting from an analysis of four-dimensional asymptotically flat gravity in first order formulation, we show that superrotation reparametrization modes are governed by an Alekseev-Shatashvili action on the celestial sphere. This two-dimensional conformal theory describes spontaneous symmet...
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| Hlavní autoři: | , |
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| Médium: | Artigo |
| Jazyk: | Inglês |
| Vydáno: |
SpringerOpen
2021-02-01
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| Edice: | Journal of High Energy Physics |
| Témata: | |
| On-line přístup: | https://doi.org/10.1007/JHEP02(2021)108 |
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